A phase noise suppression algorithm for OFDM-based WLANs
Songping Wu
Bar-Ness, Y.
Dept. of Electr. & Comput. Eng., New Jersey Inst. of Technol., Newark, NJ;
This paper appears in: Communications Letters, IEEE
Publication Date: Dec 2002
Volume: 6,
Issue: 12
On page(s): 535- 537
ISSN: 1089-7798
INSPEC Accession Number: 7495779
Digital Object Identifier: 10.1109/LCOMM.2002.806468
Current Version Published: 2003-01-06
Abstract
Orthogonal frequency-division multiplexing (OFDM) has been specified by the IEEE 802.11a standard as the transmission technique for high-rate wireless local area networks (WLANs). The performance of an OFDM system, however, is heavily degraded by random Wiener phase noise, which causes both common phase error (CPE) and inter-carrier interference (ICI). To mitigate this problem, a new phase noise suppression (PNS) algorithm is proposed to efficiently eliminate the effect of phase noise on OFDM-based WLANs. Numerical results are presented to illustrate the effectiveness of the proposed algorithm.
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